Obesity remains a serious health problem and it is no secret that many people want to lose weight. Behavioral economists typically argue that “nudges” help individuals with various decisionmaking flaws to live longer, healthier, and better lives. In an article in the new issue of Regulation, Michael L. Marlow discusses how nudging by government differs from nudging by markets, and explains why market nudging is the more promising avenue for helping citizens to lose weight.

Two long wars, chronic deficits, the financial crisis, the costly drug war, the growth of executive power under Presidents Bush and Obama, and the revelations about NSA abuses, have given rise to a growing libertarian movement in our country – with a greater focus on individual liberty and less government power. David Boaz’s newly released The Libertarian Mind is a comprehensive guide to the history, philosophy, and growth of the libertarian movement, with incisive analyses of today’s most pressing issues and policies.

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No Truly Free Market in China without Free Exchange of Ideas

Beijing’s decision to allow more flexibility in the daily trading band for the yuan-dollar exchange rate, along with the announcement that the People’s Bank of China will soon allow banks to pay higher interest rates on deposits, are positive signs that the leadership is serious about giving markets more play. Ending financial repression, however, will require political as well as economic reform.

Free markets rest on institutions that protect private property rights and allow the free flow of information under the rule of law. Market prices provide information and incentives. Getting prices right is not a feasible function for government; only private free markets can do so through the interaction of millions of free individuals.

“The real challenge that lies ahead for China is the contest between the individual and the state.”

Exchange rates can be fixed, as under a gold standard, or they can be flexible. Both regimes are consistent with a free society, provided there are open capital markets. In mid-2005, China ended its peg to the dollar and announced its decision to allow market demand and supply to determine an equilibrium exchange rate.

But China has not made the yuan fully convertible and has an adjustable peg: the central bank sets the reference rate and now allows the daily trading rate to move within a 2 per cent band above or below the parity rate. There is no free-market exchange rate.

To prevent one-way speculation, the PBOC must allow some variation in the exchange rate. If China completely opened its capital markets, the threat of capital outflows would discipline the authorities to normalise the balance of payments, liberalise interest rates, safeguard the domestic purchasing power of the yuan and depoliticise markets. Those reforms, however, would require a much smaller state and a loss of power for the Chinese Communist Party.

If people were free to choose where to invest and what currencies to hold, decentralised markets would supplant state ownership and control of China’s financial markets. When PBOC governor Zhou Xiaochuan says “eventually interest rates will be determined by market forces”, he must understand that such a reform would undermine state power.

The real challenge that lies ahead for China is the contest between the individual and the state, that is, where to set the boundaries of state power and individual freedom.

Financial repression occurs when central banks manipulate interest rates and hold them below the rate of inflation, thus generating negative real rates. It also occurs whenever governments restrict capital freedom. Both the US Federal Reserve and the PBOC have engineered negative real interest rates that harm savers and encourage risk taking. But the United States has open capital markets and more secure property rights.

China has had robust growth for decades, but that growth is now slowing and government officials are calling for less attention on GDP growth and more attention to “rebalancing” and “harmonious development”. Interest rate liberalisation will help China move closer towards markets and away from state planning. But halfway reforms can suppress the very market forces that need to be unleashed to enlarge the range of choices open to people.

State-owned banks that lend to state-owned enterprises are endemic to China’s culture of party-led development. Until that culture changes, there can be no real capital markets in China, and financial repression will endure. The crackdown on free expression and the internet portend the future of China better than the ruling elite’s promise to free up interest rates without facing the hard choices of freeing up the marketplace for ideas, upon which true capital markets rest.